Have you ever noticed that the sunlight feels too bright for your eyes? When you look at office lights, phone screens, or car headlights on the road, your eyes start squinting, or you have burning or watery eyes. If this happens to you, it may be because you are experiencing light sensitivity.

Light sensitivity is quite common. Many people experience it, and most of the time, it is manageable and not serious.

In this blog, we will learn what light sensitivity is, why it happens, and how it can be treated.

What is light sensitivity?

Light sensitivity refers to the discomfort or pain that bright light causes in the eyes. Sunlight, office lights, phone or laptop screens, or even car headlights can all trigger this feeling.

Symptoms: 

  • Burning in the eyes in bright light
  • Pain
  • Watery eyes
  • Squinting
  • Headaches when exposed to light
  • Trouble going outdoors or using screens

Sometimes it affects only one eye, and sometimes it affects both eyes. Light sensitivity is usually a symptom and may be linked to something else. This could be something related to your eyes, your health, or your daily habits.

Why do eyes become sensitive to light?

Dry Eyes

Dry eyes mean your eyes do not make enough tears or the tears dry up too fast. Tears are important because they keep your eyes moist and comfortable. When your eyes are dry, bright light can feel sharp and irritating. This often happens if you look at screens for too long, sit in air-conditioned rooms all day, or forget to blink often. 

Too much screen time

When you use phones, laptops, or TVs for many hours, your eyes get tired. You blink less while looking at screens, which dries out your eyes and causes strain. Because of this strain, bright bright light starts to feel uncomfortable. This is very common in students, office workers, and people who use their phones a lot.

Migraine and Headaches

People who get retinal migraines often become very sensitive to light. Even normal room lights or sunlight can feel too bright and painful during a migraine attack. Light sensitivity is the most common migraine symptom and usually comes with headache, nausea, or dizziness. When migraine is treated, it often improves also.

Eye Infections or Inflammation

If you are suffering from eye infections like conjunctivitis eyes become red, itchy, and inflammation under the eye. When the eyes are already irritated, bright light can feel painful. In these cases, light sensitivity usually improves once the infection is treated.

Wearing the wrong glasses

If you are wearing glasses or contact lenses that are not the right power, your eyes have to work hard to see clearly. This extra effort can make your eyes tired very quickly, and they become sensitive to light. Updating your eye prescriptions can help improve this issue.

Lack of sleep and stress

If you are not getting enough sleep, your eyes don’t get time to rest and recover. This causes stress, which puts pressure on your body and mind, including your eyes. Your eyes become weak and more sensitive to bright light and screens.

How can you treat or manage light sensitivity?

Dealing with light sensitivity depends on the reason behind it. But many people feel better with small lifestyle changes. Below are a few simple ways to reduce discomfort from bright light.

  • The moment you walk out during the day, the sunlight may feel too sharp for your eyes. Wearing sunglasses with UV protection helps a lot in such situations. 
  • Try to cut down on unnecessary screen use and give your eyes short breaks during the day. Using phones, laptops, or TVs for too long is not good for your eye health.   
  • A simple habit that really helps is giving your eyes regular breaks from screens. That is, every 20 minutes, look away from your screen and focus on something about 20 feet away for at least 20 seconds.
  • Drinking enough water throughout the day is important. Because dehydration can make dry eyes worse. If your eyes are healthy, it supports tear production and reduces discomfort from bright light.
  • If your eyes are sensitive to light or the problem keeps coming back, it is a good idea to seek help from an eye specialist. They can check and suggest appropriate treatment if there are any underlying issues.

Final thoughts

Light sensitivity in the eyes actually indicates your eyes need attention and proper care. In many cases, it happens because of reduced fluid formation, long screen time, stress, lack of sleep, or headaches.

Mostly, it is manageable, but if it starts affecting your daily life, it should not be ignored. A proper eye exam can help find the real cause and guide you to take the right treatment. 

At Dr Jawahar Lal Rohatgi Memorial Eye Hospital, our eye doctors provide full eye care using the latest technology. Whether it is light sensitivity or any other vision-related problem, they give proper advice and treatment.